<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="http://127.0.0.1:8080/upload_file" method="post" enctype="multipart/form-data">
        <input type="file" name="uploadfile" value="选择文件">
        <input type="submit" name="sendfile" value="上传文件">
    </form>
</body>
</html>